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Fiber Laser Coherent Array for Power Scaling, Bandwidth Narrowing, and Beam Direction Control

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Abstract

A 12-MHz-bandwidth fiber laser is reported by coherently arraying eight 10-nm- bandwidth lasers with an 85% addition efficiency. By threshold control of the supermodes, highspeed (>1kHz), high-contrast-ratio (>20dB) beam direction control has been demonstrated.

© 2005 Optical Society of America

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